A boat having a length 3 m and breadth 2 m is floating on a lake The boat sinks by 1 cm when a man gets on it. The mass of man is :__________?

The radius of the cylinder is half its height and area of the inner part is 616 sq. cms. Approximately how many litres of milk can it contain ?

A. 1.4

B. 1.5

C. 1.7

D. 1.9

The capacity of a cylindrical tank is 246.4 litres. If the height is 4 metres, what is the diameter of the base ?

A. 1.4 m

B. 2.8 m

C. 14 m

D. None of these

The areas of the three adjacent faces of a rectangular box which meet in a point are known. The product of these areas is equal to :___________?

A. the volume of the box

B. twice the volume of the box

C. the square of the volume of the box

D. the cube root of the volume of the box

The edges of a cuboid are in the ratio 1 : 2 : 3 and its sunface area is 88 cm². The volume of the cuboid is :_________?

A. 24 cm³

B. 48 cm³

C. 64 cm³

D. 120 cm³

What is the volume of a cube (in cubic cm) whose diagonal measures 4√3 cm ?

A. 8

B. 16

C. 27

D. 64